A Pennsylvania man currently serving a life sentence for a double murder in Fairview is now being charged in a 30-year-old murder case in New Castle. 

Pennsylvania State Police say 59-year-old Regis Brown is facing charges in the 1988 murder of 45-year-old Bryce Tompkins of New Castle. 

PSP says Tompkins was found by hunters the day after Christmas lying partially submerged in the Neshannock Creek. 

State Police say Tompkins had been shot execution style sometime in November of '88. 

Brown is facing charges of criminal homicide, two counts of aggravated assault, and intimidation of a witness. 

Brown is currently in a Pennsylvania State Prison serving a life sentence plus forty years for two murders in Erie County. 

According to court documents, Brown pleaded guilty last month to one count of murder of the first degree, and one count of murder in the third degree. 

State Police say those charges stem from the murder of his wife and stepdaughter in their Fairview home. 

According to our NBC affiliate WICU in Erie, brown bludgeoned his wife before rolling her body up in a carpet, and then stabbed his stepdaughter. 

WICU also reports that Brown is also accused of tying up a 14-year-old granddaughter and keeping her in a bedroom. 

State police are expected to release more details in the Tompkins case on Thursday during a news conference.